Code of Federal Regulations Title 31. Money and Finance–Treasury § 31.8.34 Knowledge of client's omission

Each attorney, certified public accountant, or enrolled practitioner who knows that a client has not complied with applicable law, or has made an error in or omission from any document, affidavit, or other paper which the law requires the client to execute, shall advise the client promptly of the fact of such noncompliance, error, or omission.